package com.itheima.restkeeper.face;

import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.itheima.restkeeper.AffixFace;
import com.itheima.restkeeper.BrandFace;
import com.itheima.restkeeper.enums.AffixEnum;
import com.itheima.restkeeper.enums.BrandEnum;
import com.itheima.restkeeper.exception.ProjectException;
import com.itheima.restkeeper.pojo.Brand;
import com.itheima.restkeeper.req.AffixVo;
import com.itheima.restkeeper.req.BrandVo;
import com.itheima.restkeeper.service.IBrandService;
import com.itheima.restkeeper.utils.BeanConv;
import com.itheima.restkeeper.utils.EmptyUtil;
import com.itheima.restkeeper.utils.ExceptionsUtil;
import lombok.extern.slf4j.Slf4j;
import org.apache.dubbo.config.annotation.DubboReference;
import org.apache.dubbo.config.annotation.DubboService;
import org.apache.dubbo.config.annotation.Method;
import org.springframework.beans.factory.annotation.Autowired;

import java.util.ArrayList;
import java.util.List;
import java.util.stream.Collectors;

/**
 * @ClassName BrandFaceImpl.java
 * @Description 品牌dubbo接口定义实现
 */
@DubboService(version = "${dubbo.application.version}",timeout = 5000,
    methods ={
        @Method(name = "findBrandVoPage",retries = 2),
        @Method(name = "createBrand",retries = 0),
        @Method(name = "updateBrand",retries = 0),
        @Method(name = "deleteBrand",retries = 0)
    })
@Slf4j
public class BrandFaceImpl implements BrandFace {

    @Autowired
    IBrandService brandService;

    @DubboReference(version = "${dubbo.application.version}",check = false)
    AffixFace affixFace;

    @Override
    public Page<BrandVo> findBrandVoPage(BrandVo brandVo,
                                         int pageNum,
                                         int pageSize) throws ProjectException{
        try {
            //查询Page<Brand>分页
            Page<Brand> brandPage = brandService.findBrandVoPage(brandVo, pageNum, pageSize);
            //转化Page<Brand>为Page<BrandVo>
            Page<BrandVo> brandVoPage = new Page<>();
            BeanConv.toBean(brandPage,brandVoPage);
            //转换List<Brand>为 List<BrandVo>
            List<Brand> records = brandPage.getRecords();
            List<BrandVo> brandVos = BeanConv.toBeanList(records, BrandVo.class);
            brandVoPage.setRecords(brandVos);
            //处理附件
            if (!EmptyUtil.isNullOrEmpty(brandVos) && !EmptyUtil.isNullOrEmpty(brandVoPage)) {
                brandVos.forEach(brand->{
                    List<AffixVo> affixVoByBusinessId = affixFace.findAffixVoByBusinessId(brand.getId());
                    //指定带有附件消息的brandVoList到pageVo中
                    if (EmptyUtil.isNullOrEmpty(affixVoByBusinessId)) {
                        brand.setAffixVo(affixVoByBusinessId.get(0));
                    }
                });
            }
            //返回结果
            return brandVoPage;
        } catch (Exception e) {
            log.error("保存品牌异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.PAGE_FAIL);
        }
    }

    @Override
    public BrandVo createBrand(BrandVo brandVo) throws ProjectException{
        try {
            //保存品牌
            Brand brand = brandService.createBrand(brandVo);
            BrandVo brandVoResult = BeanConv.toBean(brand, BrandVo.class);
            //绑定附件
            if (!EmptyUtil.isNullOrEmpty(brandVoResult)) {
                AffixVo affixVo = AffixVo.builder()
                        .businessId(brandVoResult.getId())
                        .id(brandVo.getAffixVo().getId())
                        .build();
                affixFace.bindBusinessId(affixVo);
            }

            brandVoResult.setAffixVo(AffixVo.builder()
                    .pathUrl(brandVo.getAffixVo().getPathUrl())
                    .businessId(brandVoResult.getId())
                    .id(brandVo.getAffixVo().getId())
                    .build());
            //返回结果
            return brandVoResult;
        } catch (Exception e) {
            log.error("保存品牌异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.CREATE_FAIL);
        }
    }

    @Override
    public Boolean updateBrand(BrandVo brandVo)throws ProjectException {
        try {
            //修改品牌
            brandService.updateBrand(brandVo);

            //查询品牌附件消息
            ArrayList<Long> affixIds = new ArrayList<>();
            List<AffixVo> affixVoByBusinessId = affixFace.findAffixVoByBusinessId(brandVo.getId());
            for (AffixVo affixVo : affixVoByBusinessId) {
                affixIds.add(affixVo.getId());
            }
            if (affixIds.contains(brandVo.getAffixVo().getId())) {

                //删除图片
                affixFace.deleteAffixVoByBusinessId(brandVo.getId());
                //绑定新图片
                affixFace.bindBusinessId(AffixVo.builder().businessId(brandVo.getId())
                        .id(brandVo.getAffixVo().getId())
                        .build());
            }
            return Boolean.TRUE;
        } catch (Exception e) {
            log.error("修改品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.UPDATE_FAIL);
        }

    }

    @Override
    public Boolean deleteBrand(String[] checkedIds) throws ProjectException{
        try {
            //删除品牌
            Boolean flag = brandService.deleteBrand(checkedIds);
            //删除图片，是不是可以debug进去看看？
            for (String checkedId : checkedIds) {
                affixFace.deleteAffixVoByBusinessId(Long.valueOf(checkedId));
            }
            return flag ;
        } catch (Exception e) {
            log.error("删除品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.DELETE_FAIL);
        }
    }

    @Override
    public BrandVo findBrandByBrandId(Long brandId)throws ProjectException {
        try {
            //查找品牌消息
            Brand brand = brandService.getById(brandId);
            return BeanConv.toBean(brand,BrandVo.class);
        } catch (Exception e) {
            log.error("查找品牌所有品牌异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.SELECT_BRAND_FAIL);
        }
    }

    @Override
    public List<BrandVo> findBrandVoList()throws ProjectException {
        try {
            //查找品牌列表，用到哪里？要不要注意状态？
            return BeanConv.toBeanList(brandService.findBrandVoList(),BrandVo.class);
        } catch (Exception e) {
            log.error("查询品牌列表异常：{}", ExceptionsUtil.getStackTraceAsString(e));
            throw new ProjectException(BrandEnum.PAGE_FAIL);
        }
    }
}
